User's Manual

AirStream 4000/4001 WiMAX CPE User Manual

9 VoIP Configurations

9.1 SIP Configuration

SIP related configurations concern CPE as a SIP client, Registrar and Proxy Servers.

Click on “SIP Configuration” in the Configuration Tree to access the related web management page.

9.1.1 User Configuration

Internally FXS ports are counted from 0. Phone line 1 maps to FXS Port No 0. “User ID” maps to dial number.

Apply settings if changes are made in the above section.

Next comes to Registrar configurations.

When “Enable Register” is enabled, registration message will be sent out. However when “Use Proxy as

Registrar” is enabled, all registration message is sent to the IP address of the Proxy. When “Enable Register” is

disabled, the IX253P CPE may be configured for point to point communications, which is typically used by an

enterprise owning multiple office sites. Apply settings if changes are made in the above section.